Patents by Inventor Sang Hun Lee

Sang Hun Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Assembly cable tray using retardant plastics and joint device thereof
    Patent number: 10367340
    Abstract: A knockdown cable tray made of a fire-retardant plastic and a coupling device therefor are capable of being used to easily and efficiently install an incombustible knockdown cable tray to suspend a plurality of cables from a ceiling. The knockdown cable tray includes: a pair of side panels, each of which includes a frame having a plurality of coupling holes formed in opposite ends thereof in a lengthwise direction and a coupler protruding outwardly from the frame, the side panels being located opposite each other; a plurality of rung members, each of which is detachably coupled to the couplers and firmly supports the side panels; and coupling devices, each of which is detachably coupled to the coupling holes of each frame and firmly couples a plurality of side panels disposed in a lengthwise direction.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: July 30, 2019
    Assignee: POLISYS CO., LTD.
    Inventors: Hyungseong Bae, Sang Hun Lee
  • Head-mounted display
    Patent number: 10359633
    Abstract: Embodiments relate to a head-mounted display which comprises: a light source; a lens part disposed on the optical axis of the light source; an image display part disposed apart from the lens part; a body disposed apart from the image display part, including a correction lens having protruding parts disposed at the center of the top and bottom surfaces thereof, and having a first hole, forming a path through which the protruding parts pass and the correction lens moves, disposed in a direction parallel to the optical axis; a correction lens position adjusting part having at least one second hole disposed therein which is coupled to the protruding parts passing through the first hole, surrounding the body, and moving in a direction parallel to the optical axis; and an image viewing part connected to the body.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: July 23, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Bok Choi, Sang Hun Lee
  • TRANSPLANTATION EFFECT OF DOPAMINE NEURON ENGRAFTMENT BY CO-TRANSPLANTATION OF MIDBRAIN ASTROCYTES AND VM-NPCS
    Publication number: 20190194612
    Abstract: The present invention relates to: a cell therapeutic agent including ventral midbrain-derived astrocytes and dopamine neural progenitor cells; a method of treating a neurodegenerative disorder including administering a pharmaceutical composition comprising ventral midbrain-derived astrocytes and dopamine neural progenitor cells into a subject; and a method for differentiation into dopamine neurons, which includes preparing a mixture of ventral midbrain-derived astrocytes and dopamine neural progenitor cells and co-culturing or co-grafting the mixture. The co-grafting of ventral midbrain-derived astrocytes and dopamine neural progenitor cells (neural stem cells) improves the survival and differentiation of dopamine neurons and thus dramatically improves therapeutic outcomes in a neurodegenerative disorder including Parkinson's disease.
    Type: Application
    Filed: November 5, 2018
    Publication date: June 27, 2019
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Sang-Hun LEE, Jaejin SONG, Mi-Yoon CHANG
  • Toggle key blocking method for data security and apparatus using the same
    Patent number: 10331886
    Abstract: A toggle key blocking method for data security and an apparatus using the same. The toggle key blocking method for data security includes monitoring use of a toggle key on a host with which a keyboard is used, when use of a toggle key on the host is detected, generating details of occurrence of a toggle key event based on a time at which the toggle key event occurred; and blocking use of the toggle key on the host if the host satisfies a toggle key blocking condition based on the details of occurrence of the toggle key event.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: June 25, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: YoungJae Maeng, Sang Hun Lee, In Jung Kim
  • CELL THERAPY USING MIDBRAIN-TYPE NEURAL STEM CELLS TREATED WITH VITAMIN C
    Publication number: 20190183939
    Abstract: The present invention relates to a cell therapeutic agent including ventral midbrain-type neural stem cells (VM-NSCs) obtained by treating vitamin C during cell expansion to prevent or treat a neurological disease. Since the vitamin C treatment during NSC expansion prevents the loss of therapeutic function-related NSC characteristics, such as expression of midbrain-specific factors, in the cell expansion, a safe, simple and effective method for mass-producing a cell therapeutic agent with excellent therapeutic functions is provided.
    Type: Application
    Filed: November 28, 2018
    Publication date: June 20, 2019
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Sang-Hun LEE, Noviana WULANSARI
  • Worn banknote identification method and ATM using the same
    Patent number: 10318802
    Abstract: The present disclosure relates to a worn banknote identification method and an ATM (Automated Teller Machine) using the same, and more particularly, to a worn banknote identification method which acquires an image of a banknote inserted into an ATM, divides pixels of the acquired banknote image into a bright region and dark region depending on a brightness distribution of the banknote image, determines the wear level of the banknote by comparing a difference between the average brightness values of the two regions to a preset reference value, and separately stores the inserted banknote into a reject box depending on the wear level of the banknote, and an ATM using the same.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: June 11, 2019
    Assignees: HYOSUNG TNS INC., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Eui Sun Choi, Yoon Kill Baek, Sang Wook Baek, Sang Hun Lee, Chul Hee Lee
  • LENS MODULE AND IRIS RECOGNITION CAMERA MODULE COMPRISING SAME, AND IRIS RECOGNITION CAMERA SYSTEM AND TERMINAL COMPRISING SAME
    Publication number: 20190171878
    Abstract: One embodiment of an iris recognition camera system comprises: an optical unit for collecting optical information of an iris; and an imaging unit for outputting the optical information of the iris obtained by the optical unit, wherein the optical unit comprises: a first group having a first thickness and refracting light incident from an object; and a second group disposed on the back surface of the first group and comprising at least one lens, wherein the first group comprises a holographic optical element (HOE).
    Type: Application
    Filed: January 5, 2017
    Publication date: June 6, 2019
    Inventors: YU KYEONG JEONG, MIN KIM, SANG HUN LEE
  • Liquid-crystal display device and method of fabricating the same
    Patent number: 10254592
    Abstract: A liquid-crystal display device includes: a first substrate; a second substrate disposed opposite to the first substrate, where a display area and a non-display area are defined in each of the first and second substrates, a liquid-crystal layer disposed between the first substrate and the second substrate, an organic layer including a protruding portion disposed in the non-display area of the first substrate, and a light-blocking pattern disposed on the organic layer and comprising a step protruding therefrom, where the step overlaps the protruding portion.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: April 9, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sang Hun Lee
  • RF POWER DEVICE CAPABLE OF MONITORING TEMPERATURE AND RF CHARACTERISTICS AT WAFER LEVEL
    Publication number: 20190096873
    Abstract: The present disclosure provides an RF power device including: a single RF power transistor; a pad spaced apart from the single RF power transistor and configured to transmit a temperature and RF characteristic information of the single RF power transistor to an outside; and a temperature and RF characteristic detector connected between the pad and the ground and configured to detect the temperature and the RF characteristics of the single RF power transistor, and is characterized in that the ground is connected to the single RF power transistor, and the single RF power transistor, the pad, and the temperature and RF characteristic detector are manufactured on the same wafer.
    Type: Application
    Filed: November 28, 2018
    Publication date: March 28, 2019
    Inventor: Sang-Hun LEE
  • Portable device having exhalation sensing function
    Patent number: 10241105
    Abstract: A portable device having an exhalation sensing function is provided. The portable device includes a gas detector that analyzes exhalation, and a device main body including a receiving portion in which the gas detector is received, the device main body having a call function, wherein, when a user makes a call using the device main body, the gas detector is automatically projected from the receiving portion of the device main body, and senses the user's exhalation.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: March 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-suk Kwak, Jang-pyo Park, Sang-hun Lee, Chang-hyun Kim, Jeong-eun Lee
  • Fluid occlusion detection apparatus and method
    Patent number: 10226573
    Abstract: A fluid occlusion detection apparatus is disclosed. The fluid occlusion detection apparatus includes: a structure disposed on a fluid delivery device and that is deformed according to pressure; and a change detection sensor in a surrounding region of the structure, wherein the fluid delivery device includes a fluid reservoir container and/or a fluid delivery passageway for connecting a human body and the fluid reservoir container, and the change detection sensor detects a change in a value related to the change detection sensor due to deformation of a shape of the structure according to an increase in pressure inside the fluid delivery device by fluid occlusion inside the fluid delivery device.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: March 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-geol Baek, Young-hyun Kim, Jae-kyung Kwak, Sang-hun Lee
  • Method of manufacturing feedthrough
    Patent number: 10213611
    Abstract: A method of manufacturing a feedthrough having an enhanced hermetic sealing and used for a human implantable medical device such as a deep brain stimulator, a implantable AED, a implantable spinal cord stimulator and so on. Thus, more enhanced reproducibility and productivity in the diffusion welding and the laser hole machining may be guaranteed in the present method of manufacturing the feedthrough, compared to the conventional method using the ceramic metallizing and the brazing.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: February 26, 2019
    Assignee: Osong medical innovation foundation
    Inventors: Jin-Won Kim, Jin-Hee Moon, In-Ho Song, Sung-Keun Yoo, Seung-A Lee, Ha-Chul Jung, Dong-Jun Moon, Jin-Woo Ahn, Sang-Hun Lee
  • Liquid crystal display device and method of manufacturing the same
    Patent number: 10216046
    Abstract: A liquid crystal display device is provided. A liquid crystal display device comprising: a first substrate and a second substrate opposed to the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a lower layer disposed on the first substrate and including at least one contact hole; and a spacer portion disposed on the lower layer, wherein the spacer portion includes a main spacer not overlapping the contact hole and an auxiliary spacer overlapping at least a portion of the contact hole, and a distance between the main spacer and the second substrate is smaller than a distance between the auxiliary spacer and the second substrate.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nu Ree Um, Min Jung Kang, Hee Ra Kim, Sang Hun Lee
  • WEARABLE DEVICE AND OPERATION METHOD THEREFOR
    Publication number: 20190029521
    Abstract: A wearable device according to an embodiment comprises: a substrate; a light-emitting unit disposed on the substrate; a light-receiving unit disposed on the substrate and spaced apart at a predetermined distance from the light-emitting unit; and a first reflection part disposed on the substrate adjacent to the light-emitting unit so as to reflect light emitted from the light-emitting unit.
    Type: Application
    Filed: December 26, 2016
    Publication date: January 31, 2019
    Inventors: CHUL KIM, SANG HUN LEE, JIN HO GWON
  • DISPLAY DEVICE
    Publication number: 20190018273
    Abstract: A display device includes: a light unit for emitting blue light; a color conversion panel on the light unit; a display panel between the light unit and the color conversion panel, the display panel comprising transistors; and column spacers between the transistors and the color conversion panel, the column spacers overlapping the transistors. The color conversion panel includes: a substrate; color conversion layers between the substrate and the display panel, the color conversion layers comprising semiconductor nanocrystals; a transmission layer between the substrate and the display panel; and polarization layers between the color conversion layers and the display panel and between the transmission layer and the display panel. The column spacers include a pigment that absorbs blue light.
    Type: Application
    Filed: June 20, 2018
    Publication date: January 17, 2019
    Inventors: Sae Ron Park, Jin Suek Kim, Hyun Soo Ryu, Se Joon Oh, Sang Hun Lee
  • METHOD USING EXPRESSION OF LIN28 FOR PREPARING STEM CELLS HAVING EXCELLENT RENEWAL ABILITY AND THERAPEUTIC CAPACITY
    Publication number: 20190010197
    Abstract: The present invention relates to a cell therapeutic agent comprising a stem cell expressing Lin28, a pharmaceutical composition comprising a stem cell expressing Lin28 for the prevention or treatment of a neurological disorder, a bone disorder, a muscular system disorder, an epithelium-related disorder or a blood-related disorder, and a method for treating a neurological disorder, a bone disorder, a muscular system disorder, an epithelium-related disorder or a blood-related disorder using the composition. A stem cell excellent in terms of differentiation potency to various tissue cells and renewal ability can be prepared by introducing Lin28, which regulates an embryonic development procedure, or a vector expressing Lin28 during stem cell culturing, and by culturing the cell.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 10, 2019
    Inventors: Sang-Hun LEE, Yong Hee RHEE, Chang-Hwan PARK, Mi-Yoon CHANG, Yanuar Alan SULISTIO, Ji Yun KO
  • Sensor, network system and controlling method for using the same
    Patent number: 10172546
    Abstract: Disclosed are a sensor, which includes a cardiac impulse sensor for sensing a cardiac impulse of a human body spaced apart from the cardiac impulse sensor to generate an output signal, and a wireless processing unit for processing and outputting an operation signal of an electronic device according to an output signal of the cardiac impulse sensor, a network system including the sensor, and a method of controlling an electronic device. The electronic device is effectively controlled.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: January 8, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Bae Cho, Sang Hun Lee, Ju Bong Park
  • LENS MODULE AND CAMERA MODULE INCLUDING THE SAME
    Publication number: 20180364395
    Abstract: One embodiment of a lens module includes a first lens including a fluid so as to absorb incident light; and a second lens forming an interface with a part of the first lens, the second lens including a fluid so as to permit passage of the incident light therethrough, wherein the second lens defines a first optic path in a center part thereof to permit passage of the incident light therethrough, and the first light path is changed in a cross-sectional area as the interface varies, and wherein a second optical path is formed at a portion of the first lens that is located adjacent to the first optical path.
    Type: Application
    Filed: January 26, 2017
    Publication date: December 20, 2018
    Inventors: EUN SUNG SEO, SANG HUN LEE
  • PHASE SHIFTING DEVICE
    Publication number: 20180337438
    Abstract: A phase shifter according to at least one embodiment of the present disclosure has a housing provided on both surfaces with respective shifting units. Each shifting unit is composed of a fixed board and a moving board. Movement of the moving board causes a phase-shifted signal to be simultaneously transferred from both surfaces of the housing to output ports. This allows more effective use of the space of the phase shifter and therearound.
    Type: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Inventors: Sung-hwan SO, Seong-man KANG, Eun-suk JUNG, Dae-myung PARK, Sang-hun LEE
  • Camera Module for Both Normal Photography and Infrared Photography
    Publication number: 20180338089
    Abstract: A camera module for both normal photography and infrared photography comprises: an optical filter unit for selectively transmitting either infrared rays or visible light; an angle-of-view changing unit for narrowing the angle of view by refracting the infrared rays when the infrared rays pass through the optical filter unit, and transmitting the visible light without changing the angle of view when the visible light passes through the optical filter unit; and an image sensor for generating a normal image when the visible light is incident thereto and generating an infrared image when the infrared rays are incident thereto.
    Type: Application
    Filed: November 15, 2016
    Publication date: November 22, 2018
    Inventors: YONG BOK CHOI, SANG HUN LEE